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2012-02-09Implement capture-by-copy for arrays in lambdas.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09When we create a non-static data member in the closure object for aDouglas Gregor
capture, make sure we actually add the field. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Various interrelated cleanups for lambdas:Douglas Gregor
- Complete the lambda class when we finish the lambda expression (previously, it was left in the "being completed" state) - Actually return the LambdaExpr object and bind to the resulting temporary when needed. - Detect when cleanups are needed while capturing a variable into a lambda (e.g., due to default arguments in the copy constructor), and make sure those cleanups apply for the whole of the lambda expression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150123 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-08Minor comment fixDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-08When computing the type of a local variable reference within a lambda,Douglas Gregor
only add 'const' for variables captured by copy in potentially evaluated expressions of non-mutable lambdas. (The "by copy" part was missing). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150088 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-08When completing a lambda expression, make sure to check and attach theDouglas Gregor
body of the lambda to the function call operator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07Introduce basic ASTs for lambda expressions. This covers:Douglas Gregor
- Capturing variables by-reference and by-copy within a lambda - The representation of lambda captures - The creation of the non-static data members in the lambda class that store the captured variables - The initialization of the non-static data members from the captured variables - Pretty-printing lambda expressions There are a number of FIXMEs, both explicit and implied, including: - Creating a field for a capture of 'this' - Improved diagnostics for initialization failures when capturing variables by copy - Dealing with temporaries created during said initialization - Template instantiation - AST (de-)serialization - Binding and returning the lambda expression; turning it into a proper temporary - Lots and lots of semantic constraints - Parameter pack captures git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149977 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-03Implement implicit capture for lambda expressions.Eli Friedman
Still left: explicit captures in lambdas need to cause implicit capture, and I need to take a look at the diagnostics for some cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149718 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Diagnose the restriction on default arguments in C++11 [expr.prim.lambda]p5.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149517 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Improve checking of explicit captures in a C++11 lambda expression:Douglas Gregor
- Actually building the var -> capture mapping properly (there was an off-by-one error) - Keeping track of the source location of each capture - Minor QoI improvements, e.g, highlighing the prior capture if there are multiple captures, pointing at the variable declaration we found if we reject it. As part of this, add standard citations for the various semantic checks we perform, and note where we're not performing those checks as we should. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149462 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Diagnose attempts to explicitly capture a __block variable in a lambda.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149458 91177308-0d34-0410-b5e6-96231b3b80d8